CN203347883U - Engine oil filter - Google Patents
Engine oil filter Download PDFInfo
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- CN203347883U CN203347883U CN 201320444805 CN201320444805U CN203347883U CN 203347883 U CN203347883 U CN 203347883U CN 201320444805 CN201320444805 CN 201320444805 CN 201320444805 U CN201320444805 U CN 201320444805U CN 203347883 U CN203347883 U CN 203347883U
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- filter
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Abstract
The utility model discloses an engine oil filter, and aims at providing the engine oil filter with the advantages that the installation of a filter core is firm, the positioning is accurate, and in addition, the durability is realized. The engine oil filter has the main technical scheme that the engine oil filter comprises a case, wherein a filter core assembly is arranged in the case and comprises a main filter core and a sub filter core in coaxial arrangement, the main filter core comprises a main filter paper core, a main filter center pipe and a main filter paper core lower cover, the sub filter core comprises a sub filter paper core, a sub filter center pipe and a sub filter paper core upper cover, the main filter paper core lower cover is connected with the axial lower end surface of the main filter core, a support spring is arranged between the main filter paper core lower cover and the bottom of the case, the axial upper end surface of the main filter paper core is fixedly connected with the sub filter paper core upper cover, the sub filter paper core upper cover is fixedly connected with a connecting cover, the filter core assembly also comprises a paper core end cover, and the paper core end cover is fixedly connected with the axial upper end surface of the main filter paper core and the axial lower end surface of the sub filter paper core, so the engine oil internal leakage caused by the axial deviation and staggering of the sub filter paper core and the main filter paper core in the use process is avoided. The filter provided by the utility model is applicable to the engine oil filter.
Description
Technical field
The utility model relates to a kind of automobile engine system parts, and more particularly, it relates to a kind of oil filter.
Background technique
For reducing the surface friction drag between the relative movement parts in motor, the wearing and tearing that alleviate part, machine oil can constantly be transported to the friction surface of each moving parts, forms lubricant film, is lubricated.Itself contain a certain amount of colloid, impurity, moisture and additive in machine oil, simultaneously in engine working process, the generation of the entering of foreign material, machine oil oxide in the bringing into of metal filings, air, make the foreign material in machine oil increase gradually, if machine oil is without filtering, directly enter lubricating oil path, the foreign material that contain in machine oil will be brought into to the friction surface of kinematic pair, accelerate the wearing and tearing of part, reduce the working life of motor, the effect of oil filter is foreign material, colloid and the moisture in filtering machine oil, to each lubricant housings, carries clean machine oil.
At present, the Chinese patent that application number is 201220008363 discloses a kind of double-deck oil filter, it comprises shell, shell upper end open place is equiped with connecting cover, connecting cover is provided with center connecting screw hole and filler opening, be provided with filter core assembly in shell, described filter core assembly comprises minute filter filter core and the main filter filter core of coaxial setting, and the honeycomb duct that connects minute filter filter core and main filter filter core, divide the filter filter core by a minute filter inner support, divide the filter center tube, divide filter filter paper, divide filter filter paper upper cover, divide filter filter paper lower cover to form, main filter filter core is by main filter filter paper, main filter center tube, main filter filter paper upper cover, main filter filter paper lower cover forms, described honeycomb duct upper end is connected with the center connecting screw hole of connecting cover, the lower end of honeycomb duct is connected with main filter filter paper upper cover, divide the filter center tube to be set in outside honeycomb duct, divide between filter center tube and honeycomb duct and be provided with a minute filter inner support, divide filter filter paper wraparound outside minute filter center tube, minute filter filter paper axially on, lower two ends are connected with respectively minute filter filter paper upper cover and minute filter filter paper lower cover, divide filter filter paper upper cover and connecting cover to fix, divide caping on filter filter paper lower cover and main filter filter paper to join, be provided with supported spring between main filter filter paper lower cover and outer casing bottom, main filter filter paper upper cover and main filter filter paper lower cover be located at respectively main filter filter paper axially on, lower two ends, described main filter filter paper wraparound is on main filter center tube.
Although this double-deck oil filter good filtration effect, but because the main filter filter core of said engine oil filter cleaner is arranged between main filter filter paper upper cover and main filter filter paper lower cover, divide the filter filter core to be arranged between minute filter filter paper upper cover and minute filter filter paper lower cover, main filter filter core and minute filter filter core are when mounted, can't well locate and fix, two filter cores in use easily misplace, and cause in machine oil and leak, and make the machine oil inflow engine of filtered.
The model utility content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of filter core to install firmly, accurate positioning, and durable Novel machine oil filter.
For achieving the above object, the utility model provides following technological scheme: a kind of oil filter, comprise shell, the upper end open place of described shell is equiped with connecting cover, connecting cover is provided with center connecting screw hole and filler opening, be provided with filter core assembly in shell, described filter core assembly comprises the main filter core of coaxial setting, secondary filter core, and the honeycomb duct that connects main filter core and secondary filter core, described main filter core comprises main filter paper core, main filter center tube and main filter paper core lower cover, described secondary filter core comprises secondary filter paper core, secondary filter center tube and secondary filter paper core upper cover, main filter paper core lower cover is fixedly connected with to lower end surface with main filter paper mandrel, be provided with supported spring between main filter paper core lower cover and outer casing bottom, the upper axial end face of secondary filter paper core is fixedly connected with secondary filter paper core upper cover, secondary filter paper core upper cover is fixedly connected with connecting cover, described filter core assembly also comprises the refill end cap, the refill end cap is fixedly connected with main filter paper mandrel to upper-end surface and secondary filter paper mandrel to lower end surface.
By adopting technique scheme, secondary filter paper core and main filter paper core are fixedly connected on the refill end cap simultaneously, secondary filter paper core and main filter paper core are installed firmly, accurate positioning, in use, axial dipole field, dislocation can not occur, thereby cause in machine oil the situation such as leakage.
The utility model further is set to: described honeycomb duct upper end is connected with the center connecting screw hole of connecting cover, and lower end is connected with the refill end cap, and the upper end of honeycomb duct is provided with the opening end that increases fuel-displaced flow, and the axial cross section of described opening end is inverted truncated cone shape.
By adopting technique scheme, increased the opening area of honeycomb duct oil outlet end, can guarantee that machine oil is in low-temperature condition, when ratio of viscosities is larger, motor can access enough oil levels.
The utility model further is set to: be provided with seal ring between described secondary filter paper core upper cover and connecting cover, seal ring is nitrile butadiene rubber.
By adopting technique scheme, prevent from leaking to motor in unfiltered machine oil is directly, nitrile butadiene rubber has good oil resistance, ageing resistance and adhesive property, is widely used in oil-resistant article.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model oil filter embodiment.
Reference character: 1, shell; 12, connecting cover; 121, filler opening; 122, center connecting screw hole; 13, honeycomb duct; 131, opening end; 14, main filter core; 141, main filter paper core lower cover; 142, main filter paper core; 143, main filter center tube; 15, secondary filter core; 151, secondary filter paper core upper cover; 152, secondary filter paper core; 153, secondary filter center tube; 16, end cover of filter element; 17, seal ring.
Embodiment
With reference to Fig. 1, the utility model oil filter embodiment is described further.
As shown in Figure 1, a kind of oil filter, comprise shell 1, the upper end open place of described shell 1 is equiped with connecting cover 12, connecting cover 12 is provided with center connecting screw hole 122 and filler opening 121, be provided with filter core assembly in shell 1, described filter core assembly comprises the main filter core 14 of coaxial setting, secondary filter core 15, and the honeycomb duct 13 that connects main filter core 14 and secondary filter core 15, described main filter core 14 comprises main filter paper core 142, main filter center tube and main filter paper core lower cover 141, described secondary filter core 15 comprises secondary filter paper core 152, secondary filter center tube 153 and secondary filter paper core upper cover 151, main filter paper core lower cover 141 is fixedly connected with main filter paper core 142 lower axial end faces, be provided with supported spring between main filter paper core lower cover 141 and shell 1 bottom, the upper axial end face of secondary filter paper core 152 is fixedly connected with secondary filter paper core upper cover 151, secondary filter paper core upper cover 151 is fixedly connected with connecting cover 12, described filter core assembly also comprises end cover of filter element 16, end cover of filter element 16 is fixedly connected with main filter paper core 142 upper axial end faces and secondary filter paper core 152 lower axial end faces.
Secondary filter paper core 152 is fixedly connected on end cover of filter element 16 with main filter paper core 142 simultaneously, secondary filter paper core 152 and main filter paper core 142 are installed firmly, accurate positioning, in use, axial dipole field can not occur, dislocation, thereby cause the situations such as the interior leakage of machine oil, described honeycomb duct 13 upper ends are connected with connecting cover 12 center connecting screw hole 122, lower end is connected with end cover of filter element 16, the upper end of honeycomb duct 13 is provided with the opening end 131 that increases fuel-displaced flow, the axial cross section of described opening end 131 is inverted truncated cone shape, increased the opening area of honeycomb duct 13 oil outlet ends, can guarantee that machine oil is in low-temperature condition, when ratio of viscosities is larger, motor can access enough oil levels and (it should be noted that herein, when motor starts under low temperature environment, because the viscosity of machine oil is large, poor fluidity, can not flow into enough oil levels by honeycomb duct 13 to motor in time after filtration, can't guarantee that machine oil can loop back motor smoothly, in order to guarantee that oil level meets the needs of engine lubrication, can under the pressure of oil pump, open bypass valve, the machine oil that now through bypass valve, loops back motor not only can not get the filtration of paper filter element, but also can be by original large granular impurity filtered out by paper filter element, through bypass valve refunds again in motor, bring continual secondary wearing and tearing to motor).Be provided with seal ring 17 between described secondary filter paper core upper cover 151 and connecting cover 12, seal ring 17 is nitrile butadiene rubber, prevent from leaking to motor in unfiltered machine oil directly, nitrile butadiene rubber has good oil resistance, ageing resistance and adhesive property, is widely used in oil-resistant article.
The above makes preferred implementation of the present utility model, does not break away from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (3)
1. an oil filter, comprise shell, the upper end open place of described shell is equiped with connecting cover, connecting cover is provided with center connecting screw hole and filler opening, be provided with filter core assembly in shell, described filter core assembly comprises the main filter core of coaxial setting, secondary filter core, and the honeycomb duct that connects main filter core and secondary filter core, described main filter core comprises main filter paper core, main filter center tube and main filter paper core lower cover, described secondary filter core comprises secondary filter paper core, secondary filter center tube and secondary filter paper core upper cover, it is characterized in that: main filter paper core lower cover is fixedly connected with to lower end surface with main filter paper mandrel, be provided with supported spring between main filter paper core lower cover and outer casing bottom, the upper axial end face of secondary filter paper core is fixedly connected with secondary filter paper core upper cover, secondary filter paper core upper cover is fixedly connected with connecting cover, described filter core assembly also comprises the refill end cap, the refill end cap is fixedly connected with main filter paper mandrel to upper-end surface and secondary filter paper mandrel to lower end surface.
2. oil filter according to claim 1, it is characterized in that: described honeycomb duct upper end is connected with the center connecting screw hole of connecting cover, lower end is connected with the refill end cap, and the upper end of honeycomb duct is provided with the opening end that increases fuel-displaced flow, and the axial cross section of described opening end is inverted truncated cone shape.
3. oil filter according to claim 1 and 2, it is characterized in that: be provided with seal ring between described secondary filter paper core upper cover and connecting cover, seal ring is nitrile butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320444805 CN203347883U (en) | 2013-07-23 | 2013-07-23 | Engine oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320444805 CN203347883U (en) | 2013-07-23 | 2013-07-23 | Engine oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347883U true CN203347883U (en) | 2013-12-18 |
Family
ID=49747793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320444805 Expired - Fee Related CN203347883U (en) | 2013-07-23 | 2013-07-23 | Engine oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912622A (en) * | 2015-06-25 | 2015-09-16 | 广西华原过滤系统股份有限公司 | Machine oil filter cleaner with high efficiency and long service life |
| CN105041420A (en) * | 2015-07-30 | 2015-11-11 | 蚌埠市风驰滤清器有限公司 | Oil filter with double guarantees |
| CN105065081A (en) * | 2015-07-31 | 2015-11-18 | 蚌埠市风驰滤清器有限公司 | Improved engine oil filter |
-
2013
- 2013-07-23 CN CN 201320444805 patent/CN203347883U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912622A (en) * | 2015-06-25 | 2015-09-16 | 广西华原过滤系统股份有限公司 | Machine oil filter cleaner with high efficiency and long service life |
| CN105041420A (en) * | 2015-07-30 | 2015-11-11 | 蚌埠市风驰滤清器有限公司 | Oil filter with double guarantees |
| CN105065081A (en) * | 2015-07-31 | 2015-11-18 | 蚌埠市风驰滤清器有限公司 | Improved engine oil filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |